Solve for the variable.x - 13 = 11
A. --2
B. -24
C. -2
D. 24
Answer: D
Mathematics
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Find the x-intercept(s) and the y-intercept of the function.f(x) = x3 + 2x2 - x - 2
A. (-1, 0), (1, 0), (0, -2) B. (-1, 0), (1, 0), (0, 2) C. (-1, 0), (1, 0), (-2, 0), (0, -2) D. (-1, 0), (1, 0), (-2, 0), (0, 2)
Mathematics
Find the cofactor of the indicated element.a21
A. -1 B. 23 C. -23 D. 1
Mathematics
Use the labeled point to write the point-slope form for the line.
A. y - 1 = - 
(x + 4)
B. y - 2 = - 
(x + 4)
C. y - 2 = - 
(x - 4)
D. y + 1 = - 
(x - 4)
Mathematics
Determine whether or not the function is one-to-one.
A. Yes B. No
Mathematics